Bird cage back-pack



FIG. 1 is a perspective view of a bird cage back-pack showing my new design;

FIG. 2 is a right side elevational view of the bird cage back-pack of FIG. 1;

FIG. 3 is a top plan view of the bird cage back-pack of FIG. 1;

FIG. 4 is a front elevational view of the bird cage back-pack of FIG. 1;

FIG. 5 is a rear elevational view of the bird cage back-pack of FIG. 1; and

FIG. 6 is a bottom plan view of the bird cage back-pack of FIG. 1; and,

FIG. 7 is a left side elevational view of the bird cage back-pack of FIG. 1.

The broken line depiction of the back-pack strap structure shown in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bird cage pack-back, as shown and described. 